package com.ny.kind;

public class Person02 {
    public String name;
    private int age ;
    public void setAge(int age ){
        if (age<0){
            System.out.println("你输入的年龄不符合规范，不能为负数");
        }
        else {
            this.age =age;
        }
    }
    public int getAge(){
        return age ;
    }
    public void play (){
        System.out.println("人类可以继续娱乐活动");
    }
}
